Pith Number

pith:UC5RYXC7

pith:2012:UC5RYXC7T7UOGE3E2AR6JTCXLQ

not attested not anchored not stored refs pending

Formation and Hardening of Supermassive Black Hole Binaries in Minor Mergers of Disk Galaxies

Andreas Just, Fazeel Mahmood Khan, Ingo Berentzen, Keigo Nitadori, Lucio Mayer, Peter Berczik, Simone Callegari

arxiv:1203.1623 v1 · 2012-03-07 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UC5RYXC7T7UOGE3E2AR6JTCXLQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:58:13.431806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0bb1c5c5f9fe8e31364d023e4cc575c074e9098dbd304f73ec5e24dd0bd2fdc

Aliases

arxiv: 1203.1623 · arxiv_version: 1203.1623v1 · doi: 10.48550/arxiv.1203.1623 · pith_short_12: UC5RYXC7T7UO · pith_short_16: UC5RYXC7T7UOGE3E · pith_short_8: UC5RYXC7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UC5RYXC7T7UOGE3E2AR6JTCXLQ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a0bb1c5c5f9fe8e31364d023e4cc575c074e9098dbd304f73ec5e24dd0bd2fdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "789954bae808c68b25955b89c726aa04caa13ec6596ccfcf06ca48954eb39761",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-07T21:00:06Z",
    "title_canon_sha256": "4248d2041de3477af461c547bd08bbd5e802a6a986015fa59092b7cc432b9532"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1623",
    "kind": "arxiv",
    "version": 1
  }
}